What was found
PSC - UNSAFE NOSE GEAR DOWN INDICATION REPORTED BY FLIGHT CREW ON APPROACH. CREW COMPLIED WITH AOM VOL 1 PROCEDURES. AIRCRAFT LANDED WITHOUT INCIDENT. AIRCRAFT FERRIED TO FAT FOR REPAIRS. MAINTENANCE FOUND FAILURE OF NOSE GEAR POSITION INTERLOCK SWITCH (S1-412) TO BE CAUSE OF SYSTEM MALFUNCTION. REMOVED AND REPLACED NOSE GEAR POSITION INTERLOCK SWITCH PER MM 32-21-03. NOSE GEAR POSITION INDICATION SYSTEM OPERATIONAL CHECK NORMAL. AIRCRAFT RETURNED TO SERVICE. (M)